Tutoriale VIDEO: cum se administreaza medicamentele FIV?

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Mesaj Vin Iun 15, 2012 10:44 pm

Re: Tutoriale VIDEO: cum se administreaza medicamentele FIV?

Biggest ever IVF study reveals fertility treatment does NOT increase risk of cancer

Fertility treatment such as in-vitro fertilisation (IVF) does not increase a woman's risk of cancer despite the hormones used, researchers have found.

Some previous studies had suggested that fertility drugs might be linked with breast, uterine and ovarian cancers.

However, a large study from the University of Lund in Sweden found far fewer women developed one ore more cancers following IVF compared to those who had not had such treatment.

In research reported in 'Human Reproduction,' scientists analysed data from 24,000 women who gave birth after IVF between 1982 and 2006.

They compared rates of cancer in these women to 1.4 million women in the general Swedish population who also gave birth over that period.

Fewer than two per cent of women in the IVF group developed one or more cancers during an average follow-up period of 8 years, compared to close to five per cent of the other group.

After accounting for maternal age, the number of previous pregnancies and smoking status, the overall risk of cancer was about 25 per cent lower for women who had IVF.

'A couple who needs IVF does not have to be afraid that the hormone treatment used - at least those used in Sweden - will carry a risk for the woman to develop cancer,' study leader Dr Bengt Kallen said.

While the risk of ovarian cancer was more than twice as high in the women who had IVF as those who didn't, Dr Kallen suggested that this may be due to abnormalities in ovarian function that could both increase the risk for cancer and the risk for infertility, thus the need for IVF.

'The risk for two common cancers, breast and cervical, was significantly lower than expected,' he said.

He added that this might be due to women who get IVF being healthier than average or, more likely, that IVF-treated women may undergo more cervical and mammography exams.

Sursa: http://www.dailymail.co.uk/health/article-1335427/Biggest-IVF-study-reveals-fertility-treatment-does-NOT-increase-risk-cancer.html#ixzz1xtf2n6vS
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Mesaj Vin Noi 08, 2013 12:53 pm

Re: Tutoriale VIDEO: cum se administreaza medicamentele FIV?

IVF procedure not linked to increased risk of childhood cancer


Children who are conceived using In Vitro Fertilisation (IVF) have no increased risk of childhood cancer compared to naturally conceived children, according to a recent study.

The study, conducted by Cancer Research UK, examined data from around 106,000 IVF and other assisted births in Britain across eighteen years, and matched this against information on their cancer diagnoses until the age of 15.

This information, from the Human Fertilisation and Embryology Authority and the National Registry of Childhood Tumours, showed that the overall cancer rates were remarkably similar across all children.

It found that 108 cancers were diagnosed across the group, compared to the expected 110 in the general population.

The researchers found that IVF caused no increased risk of the most common childhood cancers such as leukaemia, neuroblastoma or retinoblastoma, as well as nervous system and germ cell tumours.

Despite this, the researchers did find a slight increase in the risk of hepatic and bone tumours, specifically a rare form called rhabdomysarcoma.

However, the team were unable to verify whether this elevated risk was due to chance, IVF conception, or other factors such as low birth weight or parental infertility.

Study author Dr. Alastair Sutcliffe of University College London Hospital, said: “Our findings suggest that children conceived with IVF techniques have no greater risk of childhood cancer overall than naturally conceived children.

“These results are reassuring for parents who’ve had children in this way or are thinking about using it to conceive. Up until now it’s been difficult to study the link between using IVF techniques and childhood cancer – which is thankfully a relatively rare event.

"Our study is the largest of its kind to date to look at this link and bigger than all previous studies combined. We will be revisiting the data set in five years time to see if this good news can be further verified as the child population gets older”.

Professor Peter Johnson, Chief Clinician for Cancer Research UK also commented on the research, saying: “A child’s cancer diagnosis is devastating news to any parent. But we’re pleased that this study has found no link between conception using IVF and increased overall cancer risk to children.

“Although survival rates are improving, there’s still some way to go to make sure that all children survive, as well as making treatments kinder and reducing their long-term side effects".

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Re: Tutoriale VIDEO: cum se administreaza medicamentele FIV?

Possibility of Fertility Drugs Increasing the Risk of Breast Cancer is Bleak!

Research that was carried out earlier, had established a connection between increase of risk in breast cancer and fertility drugs. But, the fresh study conducted by the National Cancer Institute shows that this isn’t necessarily the case.

Fertility Drugs

This research was published not too long ago in Cancer Epidemiology, Biomarkers & Prevention, which is a journal from the American Association for Cancer Research. Amongst women, who are not actually having regular ovulation, intake of fertility medication is usually recommended. These drugs help by generating the production of eggs just in the same proportions as the hormones of a woman would produce in a natural way.

Using this medicine can easily help a woman in getting pregnant and it can also be used along with ART (assisted reproductive technologies), just like IVF (in vitro fertilization) and IUI (intrauterine insemination).

Whether these fertility medications do actually increase the risk of breast cancer, has been a subject of discussion for quite a while. But, quite a few such researches have indicated that there is in fact a strong link between the two of them, and the most recent studies conducted by researchers require deeper investigation.

The Chief of the Hormonal and Reproductive Epidemiology Branch at the National Cancer Institute (NCI), Louise A. Brinton explained – “We wanted to evaluate the long-term relationship of fertility medications and breast cancer risk after controlling for other factors that have been shown to be correlated with both breast cancer risk and use of those drugs.”

The results of the study ‘reassures’ women, and the team discovered that women who had taken doses of this fertility medication called clomiphene citrate (brand name Clomid) or gonadotropins were not at an increased risk of getting afflicted with breast cancer as compared to women who were not taking this medication.

Sursa.
I always wondered
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